FULL BALL HOLE GAUGES

Part Number: 97S

Range: .125-.500". set of 4 gauges includes part numbers: 97A, 97B, 97C, and 97D. Ball hole gauges are used to determine the diameter of small holes. They are precision ground and heat treated for accuracy. Measures inside diameters of holes and grooves. Makes an ideal companion for our telescoping gauges. 1 lbs (0.5Kg) shipping weight.